Finite Group Databasebeta

(C2×#11764049)⋊C4 #22578494

order8768
automorphism?
homologyAbelianization (H1) = C4×C8 · Schur multiplier (H2) = C23

Aliases

unambiguous semidirect product(C2×#11764049)⋊C4

Splittings

FittingC2×C4×C137 ⋊ C8
SylowC137 ⋊ #336

Subgroups

subgroupG/H
center, FrattiniC22C2×#11764049
commutatorC2×C137C4×C8
FittingC2×C4×C137C8
socleC22×C137C2×C8
hypercenterC2×C4#11764049
hypocenterC137#336
LCSG ▷ C2×C137 ▷ C137
UCSC1 ◁ C22 ◁ C2×C4

118 conjugacy classes of subgroups.

Full subgroup data →

Presentation

Polycyclic presentation:

2^6,137|a^2=d,b^2=e,d^2=f,b^a=bc,g^a=g^127,g^d=g^100,g^f=g^136

Conjugacy classes & character table

176 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#31797788, #31797789, #31797790, …
maximal normal subgroup of#31797788, #31797789, #31797790, …
maximal quotient of(C2×#11764049)⋊C8, #31797792, #31797793, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(8768, 1640);